060 - National Library of Medicine Classification Number (R)
MARC 21 Community Information - Concise
2007
Complete National Library of Medicine (NLM) call number or classification number
assigned by either the National Library of Medicine or by other agencies using the
National Library of Medicine Classification.
Indicators
First - Undefined
# - Undefined
Second - Source of class number
0 - Assigned by NLM
4 - Assigned by agency other than NLM
Subfield Codes
$a - Classification number (R)
$b - Item number (NR)
Item number portion of an NLM call number. NLM uses the Cutter-Sanborn
Three-Figure Author Table and a special numbering scheme in classes W1 and
W3 to create item numbers. Special scheme of numbering used in classes W1 and W3
is described in the National Library of Medicine Classification.
$8 - Field link and sequence number (R)
Examples